ES460068A1 - Transfer of a flexible web member from supply reel to a take-up reel - Google Patents

Transfer of a flexible web member from supply reel to a take-up reel

Info

Publication number
ES460068A1
ES460068A1 ES460068A ES460068A ES460068A1 ES 460068 A1 ES460068 A1 ES 460068A1 ES 460068 A ES460068 A ES 460068A ES 460068 A ES460068 A ES 460068A ES 460068 A1 ES460068 A1 ES 460068A1
Authority
ES
Spain
Prior art keywords
web
reel
reels
reference information
output signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES460068A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Staar SA
Original Assignee
Staar SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR7620499A external-priority patent/FR2357978A1/en
Priority claimed from FR7716597A external-priority patent/FR2392914A1/en
Application filed by Staar SA filed Critical Staar SA
Publication of ES460068A1 publication Critical patent/ES460068A1/en
Priority to ES475823A priority Critical patent/ES475823A2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/43—Control or regulation of mechanical tension of record carrier, e.g. tape tension
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/48—Starting; Accelerating; Decelerating; Arrangements preventing malfunction during drive change
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
    • G11B27/17—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer using electrical sensing means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Abstract

A method for controlling the transfer of a flexible web member from a supply reel to a take-up reel, according to which the rotational speeds of the supply reel and the take-up reel are measured and whereby the ratio between these measurements is established independently of the speed and direction of the movement of the web member. The method comprises the steps of storing reference information representing the characteristics of different types of reel and web, releasing the reference information corresponding to the reels and webs used, generating intermediate signals which represent the said ratio combining these intermediate signals with the released reference information and generating output signals in dependence upon the momentary position of the web in relation to one or other ends thereof, and using these output signals for the purpose of visually displaying the position of the web and/or of controlling certain operations of the apparatus. Apparatus is also disclosed comprising angular speed detectors for measuring the rotational speed of each of the reels, and a micro-processor having two counters totalizing the pulse signals generated by the speed detectors and a divider circuit for generating, on receiving a control signal, intermediate signal representing the ratio between the contents of the counters, a memory containing reference information relating to different types of reels and web, and a circuit for combining the intermediate signals with the stored information corresponding to the reels and web used and generating output signals in dependence upon the instantaneous position of the web in relation to one or other of its ends. The output signals are applied to a display device serving to indicate the position of the web member.
ES460068A 1976-07-05 1977-06-23 Transfer of a flexible web member from supply reel to a take-up reel Expired ES460068A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES475823A ES475823A2 (en) 1977-06-23 1978-12-07 Improvements in the object of the main patent no. 460,068 by: control and control procedure in a conceived apparatus for transferring a tape material of a supply coil on a receiving coil. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7620499A FR2357978A1 (en) 1976-07-05 1976-07-05 Tape recorder tape transfer control - has toothed wheels with detectors for each spool to provide tape position indication
FR7716597A FR2392914A1 (en) 1977-05-31 1977-05-31 Tape recorder tape transfer control - has toothed wheels with detectors for each spool to provide tape position indication

Publications (1)

Publication Number Publication Date
ES460068A1 true ES460068A1 (en) 1978-08-16

Family

ID=26219521

Family Applications (1)

Application Number Title Priority Date Filing Date
ES460068A Expired ES460068A1 (en) 1976-07-05 1977-06-23 Transfer of a flexible web member from supply reel to a take-up reel

Country Status (13)

Country Link
US (1) US4172231A (en)
JP (2) JPS536004A (en)
AT (1) AT356917B (en)
AU (1) AU507787B2 (en)
BE (1) BE855968A (en)
CA (1) CA1101100A (en)
CH (1) CH625479A5 (en)
DE (1) DE2730134C2 (en)
ES (1) ES460068A1 (en)
GB (1) GB1555059A (en)
HK (1) HK71480A (en)
IT (1) IT1082780B (en)
NL (1) NL182592C (en)

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Also Published As

Publication number Publication date
CH625479A5 (en) 1981-09-30
AU2661877A (en) 1979-01-04
IT1082780B (en) 1985-05-21
JPS536004A (en) 1978-01-20
DE2730134C2 (en) 1983-03-03
ATA473977A (en) 1979-10-15
US4172231A (en) 1979-10-23
JPS6026653U (en) 1985-02-22
AT356917B (en) 1980-06-10
BE855968A (en) 1977-10-17
GB1555059A (en) 1979-11-07
NL7707381A (en) 1978-01-09
NL182592C (en) 1988-04-05
AU507787B2 (en) 1980-02-28
CA1101100A (en) 1981-05-12
DE2730134A1 (en) 1978-02-16
NL182592B (en) 1987-11-02
HK71480A (en) 1981-01-02

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19981103